Warning: Requested package Modelica of version 3.2.2, but this package was already loaded with version 3.2.1. You might experience problems if these versions are incompatible. Notification: Performance of loadModel(Buildings): time 2.626/2.626, allocations: 316.1 MB / 321.3 MB, free: 15.64 MB / 264.6 MB Notification: Performance of FrontEnd - loaded program: time 7.019e-06/7.103e-06, allocations: 0 / 396 MB, free: 4.953 MB / 328.6 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.287/0.287, allocations: 72.37 MB / 468.3 MB, free: 4.457 MB / 376.6 MB Notification: Performance of FrontEnd - scodeFlatten: time 0.4178/0.7048, allocations: 149 MB / 0.6029 GB, free: 68.35 MB / 0.5084 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002528/0.7051, allocations: 90.39 kB / 0.603 GB, free: 68.34 MB / 0.5084 GB Error: Error occurred while flattening model Buildings.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACLine_N